https://devzone.nordicsemi.com/f/nordic-q-a/92808/how-can-the-size-of-a-ota-dfu-update-be-calculatedHello, I&#39;m developing an application that will include over the air updates. I read the infocenter information about how the dfu works, with either dual-bank or single-bank updates. My question is how would I know the size of my update, and to knowen-USTelligent Community 13Thu, 13 Oct 2022 12:57:12 GMThttps://devzone.nordicsemi.com/thread/390651?ContentTypeID=1Thu, 13 Oct 2022 12:57:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:94e5a8e1-bd06-43c8-ade2-3d2c349003b1SwRa<p>Hi Jerome,</p> <p>To know the memory used and the available memory, you could just use the programmer app in nRF Connect for Desktop as it shows the exact space used by the bootloader, application and so on..</p> <p>Regards,</p> <p>Swathy</p><div style="clear:both;"></div>